| article html file updated | 6 February 2020 17:43 CET | Update | https://www.mdpi.com/1424-8247/8/2/196 |
| article html file updated | 20 September 2019 20:15 CEST | Update | N/A |
| article html file updated | 6 May 2019 21:50 CEST | Update | N/A |
| article html file updated | 26 March 2019 00:46 CET | Update | N/A |
| article html file updated | 27 October 2017 10:40 CEST | Update | N/A |
| article html file updated | 21 August 2015 10:37 CEST | Update | N/A |
| article html file updated | 7 July 2015 04:43 CEST | Original file | N/A |
| article xml file uploaded | 7 July 2015 04:43 CEST | Original file | https://www.mdpi.com/1424-8247/8/2/196/xml |
| article pdf uploaded. | 20 April 2015 10:32 CEST | Updated version of record | https://www.mdpi.com/1424-8247/8/2/196/pdf |
| article pdf uploaded. | 16 April 2015 12:19 CEST | Version of Record | https://www.mdpi.com/1424-8247/8/2/196/pdf-vor |
